DES-1121 Free Exam Study Guide! (Updated 71 Questions)
DES-1121 Dumps for DCS-IE Certified Exam Questions and Answer
EMC DES-1121 certification exam is designed to test the candidate's ability to work with PowerMax and VMAX Family Solutions, two of the most powerful and scalable storage solutions available in the market today. Successful candidates will be able to design and implement storage solutions that meet the needs of the most demanding applications and workloads. They will also be able to optimize storage performance, reduce storage costs, and ensure data integrity and availability.
NEW QUESTION # 17
Which port flag is required for auto-provisioning?
- A. V
- B. SPC2
- C. SC3
- D. ACLX
Answer: D
NEW QUESTION # 18
What is the performance metric for the read-to-write ratio of workloads on a specific logical block address?
- A. Workload type
- B. Data spanning
- C. Prefetch
- D. Workload clustering
Answer: A
NEW QUESTION # 19
What takes place during an SRDF Establish operation?
- A. Changes made to the R1 are propagated to the R2. Changes made to the R2 are discarded
- B. Enables access to both the R1 and R2 devices on the hosts
- C. Changes made to the R2 are propagated to the R1 Changes made to the R1 are discarded.
- D. Resumes normal SRDF mirroring and host access
Answer: A
NEW QUESTION # 20
On a PowerMax what is the correct sequence of steps to deduplicate data?
Answer:
Explanation:
NEW QUESTION # 21
Which product(s) support(s) only 7+1 in RAID 5 configurations?
- A. VMAX All Flash
- B. VMAX3
- C. VMAX All Flash and PowerMax 8000
- D. VMAX All Flash and PowerMax 2000
Answer: A
NEW QUESTION # 22
A host has LUNs assigned through a Masking View containing one regular Storage Group The Storage Group has the gold service level assigned One LUN requires a higher service level What is the correct sequence of steps required to assign the platinum service level to that LUN?
Answer:
Explanation:
NEW QUESTION # 23
What are the default settings for a Storage Group in PowerMax, VMAX All Flash, and VMAX3?
- A. Default SRP and no SL
- B. No SRP and Optimized SL
- C. Default SRP and Optimized SL
- D. No SRP and no SL
Answer: C
NEW QUESTION # 24
When using TimeFinder SnapVX, why would a redirection-write be changed to a copy-on-write?
- A. Snapshot delta has used 80% of the SRP
- B. Back-end utilization exceeds 80%
- C. Improve wear rates on flash disks
- D. Prevent a new write from being demoted to a lower tier
Answer: A
NEW QUESTION # 25
How does Solutions Enabler use Gatekeepers to pass commands to the PowerMax array?
- A. Obtains the Gatekeeper and locks the device. Processes the system commands and unlocks the device
- B. Automatically creates the Gatekeeper and unlocks the device. Processes the system commands; locks and deletes the Gatekeeper
- C. Obtains the Gatekeeper and unlocks the device Processes the system commands and locks the device.
- D. Automatically creates the Gatekeeper and locks the device Processes the system commands; unlocks and deletes the Gatekeeper.
Answer: C
NEW QUESTION # 26
What is the largest TDEV PowerMaxOS 5978 can create?
- A. 16 TB
- B. 64 TB
- C. 32 TB
- D. 128 TB
Answer: B
NEW QUESTION # 27
What does a service level define*?
- A. Expected average throughput for a disk group
- B. Expected average response time target for a disk group
- C. Expected average throughput for a Storage Group
- D. Expected average response time target for a Storage Group
Answer: D
NEW QUESTION # 28
In Unisphere which role has limited privileges that can only view the information about a storage array and is unable to make any configuration changes?
- A. None
- B. Monitor
- C. Auditor
- D. StorageAdmin
Answer: B
NEW QUESTION # 29
Which compression algorithm is used on a PowerMax?
- A. LZW
- B. LZS
- C. Deflate
- D. FastLZ
Answer: C
NEW QUESTION # 30
What is the minimum required memory and minimum required disk space to manage a maximum volume count of 64000 and 10 arrays when installing Unisphere for PowerMax?
- A. 24 GB of available memory and 180 GB of available disk
- B. 12 GB of available memory and 120 GB of available disk
- C. 8 GB of available memory and 100 GB of available disk
- D. 16 GB of available memory and 160 GB of available disk
Answer: B
NEW QUESTION # 31
What is the correct sequence of steps to obtain PowerMax licenses and ensure the PowerMax is configured to allow the licensed features to work properly?
Answer:
Explanation:
NEW QUESTION # 32
A non-production environment has been created with a VMFS Datastore named TestDS and a virtual machine named TestVM. SRDF/S has been configured between two PowerMax arrays One ESXi server is connected to the R1 device and another is connected to the R2 device. The VMFS Datastore resides on the R1 device. The systems administrator wants to test the environment for disaster recovery readiness To simulate a disaster on the R1 side a graceful failover will be done. What is the correct sequence of steps on the R1 side of the test environment to perform a graceful failover?
Answer:
Explanation:
NEW QUESTION # 33
A systems administrator has decommissioned a host with two devices allocated to it. What must the administrator do prior to deleting the devices?
- A. Remove the Storage Group
- B. Delete the Initiators
- C. Unmap from the front-end ports
- D. Remove the device attribute
Answer: A
NEW QUESTION # 34
Which SYMCLI command can be used to create a new TDEV and assign it to a Storage Group in one step?
- A. symsg
- B. symaccess
- C. symdev
- D. symcfg
Answer: B
NEW QUESTION # 35
What is a recommendation when using Open Replicator to migrate data from a supported third-party array to a VMAX3 array?
- A. Host I/O to the remote devices on the third-party array should be stopped for the duration of the migration
- B. Host I/O to the remote devices on the third-party array can continue during the migration
- C. Control devices on the VMAX3 array must be set to Not Ready for the duration of the migration
- D. Host I/O to the control devices on the VMAX3 array is allowed after the migration completes
Answer: A
NEW QUESTION # 36
What are the main options used to complete a configuration change using the synconfigure command?
- A. preview query, reserve
- B. preview, prepare, commit
- C. preview query, commit
- D. preview, prepare, reserve
Answer: B
NEW QUESTION # 37
Where are the Host l/Os directed to when the Storage Group is in a Non-Disruptive Migration CutoverReady state?
- A. Source array only
- B. Held in host cache
- C. Target array only
- D. Source and target arrays
Answer: C
NEW QUESTION # 38
What is a minimum requirement for Dell EMC VSI 8.0 on a VMAX All Flash array?
- A. Unisphere 9.x
- B. Unisphere 8.x
- C. 5977.1131.1131
- D. 5977 1125.1125
Answer: D
NEW QUESTION # 39
A VMAX3 array has been configured with two Storage Resource Pools (SRP) Source volumes are assigned to SRP_1 and target volumes are assigned to SRP_2. A TimeFinder SnapVX snapshot of the source volumes is linked to the target volumes in the default mode What will happen when there are new host writes to the source volumes?
- A. Snapshot deltas will be stored in the Reserved Capacity of SRP_1
- B. Snapshot deltas will be stored in the Reserved Capacity of SRP_2
- C. Snapshot deltas will be stored in SRP__2
- D. Snapshot deltas will be stored in SRP_1
Answer: D
NEW QUESTION # 40
You have just presented storage to an ESXi server and want to rescan the storage adapter to ensure the server can see the new volume Based on recommended best practices, what is the preferred method to perform this task?
- A. Use the vSphere Client to perform the rescan of the host
- B. Run the command from the ESXi server with the ESX CLI enabled
- C. Use the vSphere VSI plugin to rescan the entire cluster
- D. Run the command from a non-cluster host using the ESX CLI
Answer: C
NEW QUESTION # 41
What is the correct sequence of steps to obtain PowerMax licenses and ensure the PowerMax is configured to allow the licensed features to work properly?
Answer:
Explanation:
NEW QUESTION # 42
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